tools/designer/src/plugins/activeqt/qaxwidgetpropertysheet.cpp
changeset 0 1918ee327afb
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     1 /****************************************************************************
       
     2 **
       
     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
       
     4 ** All rights reserved.
       
     5 ** Contact: Nokia Corporation (qt-info@nokia.com)
       
     6 **
       
     7 ** This file is part of the Qt Designer of the Qt Toolkit.
       
     8 **
       
     9 ** $QT_BEGIN_LICENSE:LGPL$
       
    10 ** No Commercial Usage
       
    11 ** This file contains pre-release code and may not be distributed.
       
    12 ** You may use this file in accordance with the terms and conditions
       
    13 ** contained in the Technology Preview License Agreement accompanying
       
    14 ** this package.
       
    15 **
       
    16 ** GNU Lesser General Public License Usage
       
    17 ** Alternatively, this file may be used under the terms of the GNU Lesser
       
    18 ** General Public License version 2.1 as published by the Free Software
       
    19 ** Foundation and appearing in the file LICENSE.LGPL included in the
       
    20 ** packaging of this file.  Please review the following information to
       
    21 ** ensure the GNU Lesser General Public License version 2.1 requirements
       
    22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
       
    23 **
       
    24 ** In addition, as a special exception, Nokia gives you certain additional
       
    25 ** rights.  These rights are described in the Nokia Qt LGPL Exception
       
    26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
       
    27 **
       
    28 ** If you have questions regarding the use of this file, please contact
       
    29 ** Nokia at qt-info@nokia.com.
       
    30 **
       
    31 **
       
    32 **
       
    33 **
       
    34 **
       
    35 **
       
    36 **
       
    37 **
       
    38 ** $QT_END_LICENSE$
       
    39 **
       
    40 ****************************************************************************/
       
    41 
       
    42 #include "qaxwidgetpropertysheet.h"
       
    43 #include "qdesigneraxwidget.h"
       
    44 
       
    45 #include <QtDesigner/QDesignerMemberSheetExtension>
       
    46 #include <QtDesigner/QDesignerFormWindowInterface>
       
    47 #include <QtDesigner/QDesignerFormEditorInterface>
       
    48 #include <QtDesigner/QDesignerPropertyEditorInterface>
       
    49 
       
    50 #include <QtDesigner/QExtensionManager>
       
    51 #include <QtCore/QDebug>
       
    52 #include <QtCore/QTimer>
       
    53 
       
    54 static const char *geometryPropertyC = "geometry";
       
    55 
       
    56 QT_BEGIN_NAMESPACE
       
    57 
       
    58 const char *QAxWidgetPropertySheet::controlPropertyName = "control";
       
    59 
       
    60 QAxWidgetPropertySheet::QAxWidgetPropertySheet(QDesignerAxWidget *object, QObject *parent) :
       
    61     QDesignerPropertySheet(object, parent),
       
    62     m_controlProperty(controlPropertyName),
       
    63     m_propertyGroup(QLatin1String("QAxWidget"))
       
    64 {
       
    65      if (!axWidget()->loaded()) { // For some obscure reason....
       
    66         const int controlIndex = QDesignerPropertySheet::indexOf(m_controlProperty);
       
    67         setPropertyGroup(controlIndex, m_propertyGroup);
       
    68     }
       
    69 }
       
    70 
       
    71 bool QAxWidgetPropertySheet::isEnabled(int index) const
       
    72 {
       
    73     if (propertyName(index) == m_controlProperty)
       
    74         return false;
       
    75     return QDesignerPropertySheet::isEnabled(index);
       
    76 }
       
    77 
       
    78 bool QAxWidgetPropertySheet::dynamicPropertiesAllowed() const
       
    79 {
       
    80     return false;
       
    81 }
       
    82 
       
    83 QDesignerAxWidget *QAxWidgetPropertySheet::axWidget() const
       
    84 {
       
    85     return static_cast<QDesignerAxWidget*>(object());
       
    86 }
       
    87 
       
    88 // Reload as the meta object changes.
       
    89 bool QAxWidgetPropertySheet::reset(int index)
       
    90 {
       
    91     const QString name = propertyName(index);
       
    92     QMap<QString, QVariant>::iterator it = m_currentProperties.changedProperties.find(name);
       
    93     if (it !=  m_currentProperties.changedProperties.end())
       
    94         m_currentProperties.changedProperties.erase(it);
       
    95     if (name != m_controlProperty)
       
    96         return QDesignerPropertySheet::reset(index);
       
    97     axWidget()->resetControl();
       
    98     QTimer::singleShot(0, this, SLOT(updatePropertySheet()));
       
    99     return true;
       
   100 }
       
   101 
       
   102 void QAxWidgetPropertySheet::setProperty(int index, const QVariant &value)
       
   103 {
       
   104 
       
   105     // take care of all changed properties
       
   106     const QString name = propertyName(index);
       
   107     m_currentProperties.changedProperties[name] = value;
       
   108     if (name != m_controlProperty) {
       
   109         QDesignerPropertySheet::setProperty(index, value);
       
   110         return;
       
   111     }
       
   112     // Loading forms: Reload
       
   113     if (name == m_controlProperty) {
       
   114         const QString clsid = value.toString();
       
   115         if (clsid.isEmpty() || !axWidget()->loadControl(clsid))
       
   116             reset(index);
       
   117         else
       
   118             QTimer::singleShot(100, this, SLOT(updatePropertySheet()));
       
   119     }
       
   120 }
       
   121 
       
   122 int QAxWidgetPropertySheet::indexOf(const QString &name) const
       
   123 {
       
   124     const int index = QDesignerPropertySheet::indexOf(name);
       
   125     if (index != -1)
       
   126         return index;
       
   127     // Loading before recreation of sheet in timer slot: Add a fake property to store the value
       
   128     const QVariant dummValue(0);
       
   129     QAxWidgetPropertySheet *that = const_cast<QAxWidgetPropertySheet *>(this);
       
   130     const int newIndex = that->createFakeProperty(name, dummValue);
       
   131     that->setPropertyGroup(newIndex, m_propertyGroup);
       
   132     return newIndex;
       
   133 }
       
   134 
       
   135 void QAxWidgetPropertySheet::updatePropertySheet()
       
   136 {
       
   137     // refresh the property sheet (we are deleting m_currentProperties)
       
   138     struct SavedProperties tmp = m_currentProperties;
       
   139     QDesignerAxWidget *axw = axWidget();
       
   140     QDesignerFormWindowInterface *formWin = QDesignerFormWindowInterface::findFormWindow(axw);
       
   141     Q_ASSERT(formWin != 0);
       
   142     tmp.widget = axw;
       
   143     tmp.clsid = axw->control();
       
   144     // Delete the sheets as they cache the meta object and other information
       
   145     delete this;
       
   146     delete qt_extension<QDesignerMemberSheetExtension *>(formWin->core()->extensionManager(), axw);
       
   147     reloadPropertySheet(tmp, formWin);
       
   148 }
       
   149 
       
   150 void QAxWidgetPropertySheet::reloadPropertySheet(const struct SavedProperties &properties, QDesignerFormWindowInterface *formWin)
       
   151 {
       
   152     QDesignerFormEditorInterface *core = formWin->core();
       
   153     //Recreation of the property sheet
       
   154     QDesignerPropertySheetExtension *sheet = qt_extension<QDesignerPropertySheetExtension *>(core->extensionManager(), properties.widget);
       
   155 
       
   156     bool foundGeometry = false;
       
   157     const QString geometryProperty = QLatin1String(geometryPropertyC);
       
   158     const SavedProperties::NamePropertyMap::const_iterator cend = properties.changedProperties.constEnd();
       
   159     for (SavedProperties::NamePropertyMap::const_iterator i = properties.changedProperties.constBegin(); i != cend; ++i) {
       
   160         const QString name = i.key();
       
   161         const int index = sheet->indexOf(name);
       
   162         if (index == -1)
       
   163             continue;
       
   164         // filter out geometry as this will resize the control
       
   165         // to is default size even if it is attached to an layout
       
   166         // but set the changed flag to work around preview bug...
       
   167         if (name == geometryProperty) {
       
   168             sheet->setChanged(index, true);
       
   169             foundGeometry = true;
       
   170             continue;
       
   171         }
       
   172         if (name == QLatin1String(controlPropertyName))	 {
       
   173             sheet->setChanged(index, !i.value().toString().isEmpty());
       
   174             continue;
       
   175         }
       
   176         sheet->setChanged(index, true);
       
   177         sheet->setProperty(index, i.value());
       
   178     }
       
   179 
       
   180     if (!foundGeometry) // Make sure geometry is always changed in Designer
       
   181         sheet->setChanged(sheet->indexOf(geometryProperty), true);
       
   182 
       
   183     if (core->propertyEditor()->object() == properties.widget) {
       
   184         formWin->clearSelection(true);
       
   185         formWin->selectWidget(properties.widget);
       
   186     }
       
   187 }
       
   188 
       
   189 QT_END_NAMESPACE